A.  Patzelt, Oman Plant Red Data Book. Muscat: Al Roya Press and Publishing House, 2104, p. 313.

S.  Ghazanfar, Flora of Oman, vol. 3, 3 vol. Belgium: Botanic Garden Meise, 2015, p. 386.

D. - Gfor livestock, Field Illustrated Guide to wild plants in Oman. Muscat: Development Information Department, 2015.

A. G.  Miller and Morris, M., Plants of Dhofar, Southern Region of Oman: Traditional, Economic and Medicinal Uses. Muscat, Oman: Office of the Adviser for Conservation of the Environment, Diwan of Royal Court, 1988.

P. & A.  H. Patzelt, Field Guide to the Wild Plants of Oman. Kew,  UK: Royal Botanic Garden, Richmond, Surrey, 2008, p. 281.

S. A.  Ghazanfar, Flora of Oman, vol. 1, 2 vol. Belgium: Meise National Botanic Garden, 2003.